[INFO] updating cached repository steadylearner/Rust_Blog [INFO] running `"git" "fetch" "--all"` [INFO] [stdout] Fetching origin [INFO] [stderr] From git://github.com/steadylearner/Rust_Blog [INFO] [stderr] * branch HEAD -> FETCH_HEAD [INFO] running `"git" "clone" "work/cache/sources/gh/steadylearner/Rust_Blog" "work/ex/pr-57609/sources/master#03acbd71c977cd63ce5f39ba9b6fe9ffd578785a/gh/steadylearner/Rust_Blog"` [INFO] [stderr] Cloning into 'work/ex/pr-57609/sources/master#03acbd71c977cd63ce5f39ba9b6fe9ffd578785a/gh/steadylearner/Rust_Blog'... [INFO] [stderr] done. [INFO] running `"git" "clone" "work/cache/sources/gh/steadylearner/Rust_Blog" "work/ex/pr-57609/sources/try#26f8d250bb3c8a85e812cf663c730ef9e0df9315/gh/steadylearner/Rust_Blog"` [INFO] [stderr] Cloning into 'work/ex/pr-57609/sources/try#26f8d250bb3c8a85e812cf663c730ef9e0df9315/gh/steadylearner/Rust_Blog'... [INFO] [stderr] done. [INFO] running `"git" "rev-parse" "HEAD"` [INFO] [stdout] 2fe2d3d559bd09e8af2146a81a811b5ee362815d [INFO] sha for GitHub repo steadylearner/Rust_Blog: 2fe2d3d559bd09e8af2146a81a811b5ee362815d [INFO] validating manifest of steadylearner/Rust_Blog on toolchain master#03acbd71c977cd63ce5f39ba9b6fe9ffd578785a [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+03acbd71c977cd63ce5f39ba9b6fe9ffd578785a-alt" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] validating manifest of steadylearner/Rust_Blog on toolchain try#26f8d250bb3c8a85e812cf663c730ef9e0df9315 [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+26f8d250bb3c8a85e812cf663c730ef9e0df9315-alt" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] started frobbing steadylearner/Rust_Blog [INFO] finished frobbing steadylearner/Rust_Blog [INFO] frobbed toml for steadylearner/Rust_Blog written to work/ex/pr-57609/sources/master#03acbd71c977cd63ce5f39ba9b6fe9ffd578785a/gh/steadylearner/Rust_Blog/Cargo.toml [INFO] started frobbing steadylearner/Rust_Blog [INFO] finished frobbing steadylearner/Rust_Blog [INFO] frobbed toml for steadylearner/Rust_Blog written to work/ex/pr-57609/sources/try#26f8d250bb3c8a85e812cf663c730ef9e0df9315/gh/steadylearner/Rust_Blog/Cargo.toml [INFO] crate steadylearner/Rust_Blog has a lockfile. skipping [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+03acbd71c977cd63ce5f39ba9b6fe9ffd578785a-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+26f8d250bb3c8a85e812cf663c730ef9e0df9315-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] checking steadylearner/Rust_Blog against try#26f8d250bb3c8a85e812cf663c730ef9e0df9315 for pr-57609 [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-57609/worker-6/try#26f8d250bb3c8a85e812cf663c730ef9e0df9315:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-57609/sources/try#26f8d250bb3c8a85e812cf663c730ef9e0df9315/gh/steadylearner/Rust_Blog:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+26f8d250bb3c8a85e812cf663c730ef9e0df9315-alt" "check" "--frozen" "--all" "--all-targets"` [INFO] [stdout] 8d98601aafd7c084f3aef39968bf65db86d4c4c6759634d37c2b60fc57300fa4 [INFO] running `"docker" "start" "-a" "8d98601aafd7c084f3aef39968bf65db86d4c4c6759634d37c2b60fc57300fa4"` [INFO] [stderr] Compiling ucd-trie v0.1.1 [INFO] [stderr] Checking unic-char-range v0.7.0 [INFO] [stderr] Checking unic-common v0.7.0 [INFO] [stderr] Compiling maplit v1.0.1 [INFO] [stderr] Checking deunicode v0.4.3 [INFO] [stderr] Checking pest v0.4.1 [INFO] [stderr] Checking opaque-debug v0.1.1 [INFO] [stderr] Checking termios v0.3.1 [INFO] [stderr] Checking clicolors-control v0.2.0 [INFO] [stderr] Checking getopts v0.2.18 [INFO] [stderr] Checking unic-ucd-version v0.7.0 [INFO] [stderr] Checking want v0.0.6 [INFO] [stderr] Checking mio v0.6.16 [INFO] [stderr] Checking unic-char-property v0.7.0 [INFO] [stderr] Checking r2d2 v0.8.2 [INFO] [stderr] Checking encoding_rs v0.8.10 [INFO] [stderr] Checking tokio-io v0.1.10 [INFO] [stderr] Checking fake v1.2.2 [INFO] [stderr] Checking slug v0.1.4 [INFO] [stderr] Compiling toml v0.4.8 [INFO] [stderr] Compiling pear_codegen v0.0.20 [INFO] [stderr] Checking pest v2.0.1 [INFO] [stderr] Checking unic-ucd-segment v0.7.0 [INFO] [stderr] Checking pulldown-cmark v0.1.2 [INFO] [stderr] Compiling syn v0.15.12 [INFO] [stderr] error[E0599]: no variant named `concat` found for type `syntax::tokenstream::TokenStream` in the current scope [INFO] [stderr] --> /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/pear_codegen-0.0.20/src/lib.rs:330:67 [INFO] [stderr] | [INFO] [stderr] 330 | mac.node.tts = ThinTokenStream::from(TokenStream::concat(streams)); [INFO] [stderr] | -------------^^^^^^ [INFO] [stderr] | | [INFO] [stderr] | variant not found in `syntax::tokenstream::TokenStream` [INFO] [stderr] [INFO] [stderr] error: aborting due to previous error [INFO] [stderr] [INFO] [stderr] For more information about this error, try `rustc --explain E0599`. [INFO] [stderr] error: Could not compile `pear_codegen`. [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stderr] error: build failed [INFO] running `"docker" "inspect" "8d98601aafd7c084f3aef39968bf65db86d4c4c6759634d37c2b60fc57300fa4"` [INFO] running `"docker" "rm" "-f" "8d98601aafd7c084f3aef39968bf65db86d4c4c6759634d37c2b60fc57300fa4"` [INFO] [stdout] 8d98601aafd7c084f3aef39968bf65db86d4c4c6759634d37c2b60fc57300fa4